Electronic device, electronic keyboard instrument, and method of manufacturing electronic device

Abstract

An electronic keyboard instrument as an electronic device is an embodiment of the present application, which includes: a top member as an attaching member including a control panel as a first attaching member and a speaker cover as a second attaching member, the control panel having a first male portion protruding in a first direction from an outer periphery, the speaker cover having a first female portion into which a wing member is attached; and an instrument case as an attached member to which the top member is attached. The top member includes either one of a second male portion extending in a second direction different from the first direction and a second female portion into which a pin is inserted, and the instrument case includes the other of the pin and a pin insertion hole.

Description

Technical Field

[0001] This invention relates to an electronic device, an electronic keyboard musical instrument, and a method for manufacturing the electronic device. Background Technology

[0002] In related technologies, terminal boxes, panels, etc., manufactured by resin injection molding have been disclosed for use in electronic devices and electronic keyboard instruments. For example, the electrical junction box used in an electronic device disclosed in Patent Document 1 includes a box body and a cover. The box body has a perforated plate protruding from a side panel and having an insertion hole. The cover has a positioning pin that inserts into the insertion hole, and when the cover is attached to the box body, the positioning pin is inserted into the insertion hole to correct the warping of the side panel. The insertion direction of the positioning pin is parallel to the plane of the side panel.

[0003] Citation List

[0004] Patent documents

[0005] Patent Document 1: JPH11-299053A Summary of the Invention

[0006] Technical issues

[0007] However, if the electrical junction box has an elongated shape, it may warp in the vertical direction. In particular, when an attachment member in which the first elongated member and the second elongated member are joined is attached to an attached member, depending on the structure of the attachment member or the attached member, these members may not be satisfactorily secured to each other, resulting in warping or bending.

[0008] One object of the present invention is to provide an electronic device, an electronic keyboard instrument, and a method of manufacturing an electronic device, wherein an attachment member is satisfactorily fixed to the attached member.

[0009] Solution to the problem

[0010] An electronic device according to an embodiment of the present invention includes: an attachment member comprising a first attachment member having a first male portion protruding from an outer periphery in a first direction and a second attachment member having a first female portion corresponding to the first male portion; and a attached member to which the attachment member is attached. The attachment member includes either a second male portion extending in a second direction different from the first direction or a second female portion corresponding to the second male portion, and the attached member includes the other of the second male portion and the second female portion.

[0011] The electronic keyboard musical instrument of the present invention includes the above-described electronic device and keyboard.

[0012] The method of manufacturing the electronic device of the present invention includes: assembling a first male portion protruding from the outer periphery of a first attachment member in a first direction into a first female portion of a second attachment member; assembling a second male portion disposed on either the first attachment member or the second attachment member and extending in a second direction different from the first direction into a second female portion included in the attachment member; or assembling a second male portion included in the attachment member and extending in a second direction different from the first direction into a second female portion disposed on either the first attachment member or the second attachment member.

[0013] Advantages of the invention

[0014] According to the present invention, an electronic device, an electronic keyboard instrument, and a method of manufacturing an electronic device can be provided, wherein an attachment member is satisfactorily fixed to the attached member. Attached Figure Description

[0015] Figure 1 This is a perspective view of an electronic keyboard musical instrument according to an embodiment of the present invention.

[0016] Figure 2 This is an exploded perspective view showing the top component and instrument housing of an electronic keyboard instrument according to an embodiment of the present invention.

[0017] Figure 3 This is a perspective view of the top component of the electronic keyboard musical instrument according to this embodiment of the invention, viewed from below.

[0018] Figure 4 This is a perspective view showing the top component of an electronic keyboard instrument according to this embodiment of the invention separated into a control panel and a speaker cover, viewed from below.

[0019] Figure 5 This is an enlarged perspective view of the left end portion as seen from the lower front side, showing the state in which the top component of the electronic keyboard instrument according to this embodiment of the invention is separated into a control panel and a speaker cover.

[0020] Figure 6 This is an enlarged perspective view of the left end portion of the control panel of the electronic keyboard musical instrument according to this embodiment of the invention, viewed from the lower rear side.

[0021] Figure 7 This is a perspective view showing the top component of an electronic keyboard instrument according to this embodiment of the invention separated into a control panel and a speaker cover, viewed from the top side.

[0022] Figure 8 This is the area around the volume knob of the control panel of the electronic keyboard instrument according to this embodiment of the invention, viewed from above. Figure 7Enlarged perspective view of section Q4.

[0023] Figure 9 The top component of the electronic keyboard musical instrument according to this embodiment of the invention corresponds to Figure 8 Cross-sectional view of the IX-IX section.

[0024] Figure 10 The top component of the electronic keyboard musical instrument according to this embodiment of the invention corresponds to Figure 8 A cross-sectional view of the cross section of XX.

[0025] Figure 11 Displayed corresponding to Figure 1 The cross-section of the XI-XI section illustrates a method for manufacturing an electronic keyboard musical instrument according to an embodiment of the present invention. Figure 11 (a) shows the state of the control panel and speaker cover before they were attached to each other, and Figure 11 (b) shows the state after the control panel and speaker cover are attached to each other.

[0026] Figure 12 Showing with Figure 1 The cross-section corresponding to the XI-XI cross-section, relating to the top member and the upper housing, illustrates a method for manufacturing an electronic keyboard musical instrument according to this embodiment of the invention. Figure 12 (a) shows the state before the top component and the upper shell are attached to each other. Figure 12 (b) shows the state after the top component and the upper shell are attached to each other.

[0027] Figure 13 This illustrates an electronic keyboard musical instrument according to an embodiment of the present invention. Figure 1 Cross-sectional view of the rear side of the XI-XI cross section. Detailed Implementation

[0028] Embodiments of the present invention will now be described with reference to the accompanying drawings. Figure 1 The electronic keyboard instrument 10 shown includes a 61-key keyboard 11 and an instrument housing 20. In the following description, the front side of the keyboard 11 in the front-back direction FB is defined as front side F, the rear side of the keys in the front-back direction FB is defined as rear side B, the left side of the keyboard 11 is defined as left side L, and its right side is defined as right side R. The key arrangement direction LR of the keyboard 11 is the left-right direction. Furthermore, the upper side of the electronic keyboard instrument 10 in the vertical direction UL is defined as upper side Up, and its lower side is defined as lower side Lo.

[0029] The instrument housing 20 (attached member) is a generally long rectangular plate with the left-right direction as the longitudinal direction, and includes an upper housing 21 (attached member) and a lower housing 22. The upper housing 21 and the lower housing 22 are respectively manufactured by injection molding of resin material and connected by bolts (not shown). The board, battery as a power source, etc. are housed within the instrument housing 20.

[0030] For example Figure 1 and Figure 2 As shown, the top component 30 (attachment component) is located on the rear side B of the keyboard 11. The top component 30 has a control panel 31 (first attachment component) and a speaker cover 32 (second attachment component), both of which are manufactured by injection molding of resin material. The control panel 31 is elongated in the key arrangement direction LR and is provided with an operation unit 310, which has a power button 311, an operation button 312, a volume knob 313, and an LED display unit 314 for displaying the operation status. Fabric 33 is wrapped around the speaker cover 32.

[0031] like Figure 2 As shown, the top member 30 is attached to a slightly concave top member attachment portion 21a on the rear side B of the top of the upper housing 21. In the top member attachment portion 21a, a pin insertion hole 55 (second female portion) is provided on the front side F of the top member attachment portion 21a at both ends in the key alignment direction LR. The pin insertion hole 55 is a slightly elongated hole in the key alignment direction LR. Figure 2 The enlarged view of part P1 is an enlarged view of the periphery of the upper left pin insertion hole 55. As shown in this enlarged view, the pin insertion hole 55 has a straight portion 55a arranged parallel to the front side F and the rear side B, and an arc-shaped portion 55b connecting the two straight portions 55a at both ends. The pin insertion hole 55 is located at a position corresponding to the pin 51 (second male portion), which will be described later. The top member attachment portion 21a has walls 21b erected on the edges of the left, right, and rear sides B.

[0032] like Figure 3 As shown, a substrate 315 is disposed on the inner surface of the top member 30 corresponding to the operating unit 310. The substrate 315 is disposed across the control panel 31 and the speaker cover 32 in the front-rear direction FB. A plurality of bosses 34 are provided near the edges of the front side F and rear side B of the top member 30 (i.e., the control panel 31 and the speaker cover 32), the bosses 34 having female threaded portions for fixing the top member 30 to the upper housing 21 using bolts 210 (see See). Figure 2 ).

[0033] For example Figure 3 and Figure 7 As shown, the control panel 31 includes a front panel 31a and a top panel 31b. The front panel 31a is positioned on the front side F of the electronic keyboard instrument 10, and the operation unit 310 is mounted on the top panel 31b. The front panel 31a and the top panel 31b are connected so that they are substantially perpendicular to each other when viewed from the side in the key arrangement direction LR. Figure 3 and Figure 4 As shown, the control panel 31 has triangular ribbed side plates 31c at both ends in the key arrangement direction LR, which connect to the front plate 31a and the upper plate 31b. The outer surface of the front plate 31a has a concave-convex surface extending in the key arrangement direction LR. Also as... Figure 6 As shown, a plurality of quadrangular columnar ribs 31a1 are provided on the inner surface of the front plate 31a. A felt member 36, which is disposed between the upper surface of the keyboard 11 and the lower end of the front plate 31a, extends in the key arrangement direction LR.

[0034] like Figure 4 and Figure 7 As shown, the upper plate 31b of the control panel 31 includes an upper plate body portion 31b1 on which the operation unit 310 is disposed and exposed to the outside, and an upper plate connecting portion 31b2 connected to the upper plate body portion 31b1 via a step portion 31d. The upper surface of the upper plate connecting portion 31b2 is located below the upper surface of the upper plate body portion 31b1 at a distance Lo. The upper plate connecting portion 31b2 has arc-shaped portions 31e at both ends in the key arrangement direction LR that follow the arc-shaped edge of the speaker hole portion 32a of the speaker cover 32, which will be described later.

[0035] In the control panel 31, a pin 51 (second male part) protruding in a second direction D2, which is different from the first direction D1 described later, is provided on the inner surface of the upper plate body 31b1 near both ends of the key arrangement direction LR. Figure 6 As shown, pin 51 is arranged in a roughly cross shape in which the front and rear plates 51a and the left and right plates 51b intersect each other at right angles. Therefore, the edge surfaces 51a1 of the front and rear plates 51a are configured to face the front side F and the rear side B. On the other hand, the edge surfaces 51b1 of the left and right plates 51b face... Figure 6 The right R of pin 51 on the left side L is shown facing the left L of pin 51 on the right side R. The reinforcing rib 31g is connected to the inner surface of the side plate 31c via a boss 34 in the base 51c on the outer side of the left and right plates 51b (the side opposite to the edge surface 51b1). The front and rear plates 51a and the left and right plates 51b have tapered tip ends 51d, the base 51c is wider than the tip end 51d, and the tip end 51d is connected to the base 51c by a step portion 51e.

[0036] An edge wall 31f is provided at the rear edge B of the upper plate connecting portion 31b2. Near both ends of the edge wall 31f in the key alignment direction LR (i.e., near both ends of the control panel 31), a wing member 61 (also referred to as a male part (first male part), protrusion, or fin) protrudes from the edge surface 31f1 of the edge wall 31f (i.e., the outer periphery of the control panel 31) in the first direction D1. The wing member 61 includes a generally triangular plate shape with an inwardly facing (right side R for the left wing member 61, left side L for the right wing member 61) beveled side, and is configured such that the flat surface faces the vertical direction UL. The felt member 62 is a fabric member covered via the tip of the wing member 61, which is adhered to the wing member 61 from the upper surface to the flat surface that serves as the lower surface Lo of the wing member 61. At the base of the wing member 61, at three locations in the key alignment direction LR, generally triangular ribs 63 are provided connecting the edge surface 31f1 and the lower surface Lo of the wing member 61. The wing member 61 is configured in a tapering shape, such that the thickness of the plate gradually increases from the tip to the base. In this way, the pin 51 and the wing member 61 extend in directions substantially perpendicular to each other. In other words, the first direction D1 and the second direction D2 are perpendicular to each other.

[0037] like Figure 7 As shown, a plurality of boss mounting portions 37 are provided on the upper plate connecting portion 31b2 of the control panel 31. A boss 35, which is provided on the speaker cover 32 (described later), is positioned within the boss mounting portions 37. The boss mounting portions 37 include a first boss mounting portion 37a, a second boss mounting portion 37b, and a third boss mounting portion 37c, each with a different internal shape. Figure 7 Starting from the left side L, the boss configuration parts 37 are arranged in the key arrangement direction LR in the order of first boss configuration part 37a, third boss configuration part 37c, second boss configuration part 37b, third boss configuration part 37c, second boss configuration part 37b and first boss configuration part 37a.

[0038] like Figure 6 and Figure 7 As shown in the enlarged views (Q1-Q3), each boss configuration 37 has a generally U-shaped wall 37-1 with its rear side open in the plan view, and a base plate 37-2 connected to the U-shaped wall 37-1 at the lower Lo. The U-shaped wall 37-1 is connected to the edge wall 31f. The U-shaped wall 37-1 is provided in a tapered shape, such that its width gradually narrows from the upper Up side to the lower Lo side. The base plate 37-2 is provided with a hole 37-3 for bolts 220 (see...). Figure 4 Insert through hole 37-3. (As shown) Figure 7As shown in the enlarged view of portions Q1 and Q3, arc-shaped limiting walls 37a1 and 37c1, erected from the upper surface Up of the base plate 37-2, are provided inside the concave first boss configuration portion 37a and third boss configuration portion 37c. The limiting walls 37a1 and 37c1 protrude in an arc shape towards the rearward side B, and ribs 37a2 and 37c2 are provided approximately at their centers. The length of rib 37a2 in the front-rear direction FB of the first boss configuration portion 37a is longer than that of rib 37c2 in the third boss configuration portion 37c. The upper surface Up of the base plate 37-2 of the second boss configuration portion 37b is flat.

[0039] In the boss configuration section 37, the first boss configuration section 37a and the third boss configuration section 37c are configured such that the diameter of the base plate 37-2 in the front-rear direction FB is slightly larger than the diameter of the boss 35 of the speaker cover 32, and they are substantially the same. On the other hand, in the third boss configuration section 37c, the base plate 37-2 of the third boss configuration section 37c-1 near the volume knob 313 is circular, such as... Figure 8 As shown. That is, the diameter of the base plate 37-2 of the third boss mounting portion 37c-1 near the volume knob 313 is set to be slightly larger than the diameter of the boss 35 of the speaker cover 32, and the diameters are basically the same. On the other hand, the boss mounting portions 37 other than the third boss mounting portion 37c-1 are set to be larger than the boss 35 in the key arrangement direction LR, so that the boss 35 disengages during positioning.

[0040] That is, when the boss 35 is disposed in the boss placement portion 37, the boss 35 is positioned in the front-rear direction FB by the first boss placement portion 37a and the third boss placement portion 37c, and in the key arrangement direction LR by only the third boss placement portion 37c-1 near the volume knob 313. Therefore, by the first boss placement portion 37a and the third boss placement portion 37c disposed at predetermined intervals, the gap between the front edge of the speaker cover 32 (the front wall 32e, which will be described later) and the stepped portion 31d of the control panel 31 can be uniform. At both ends of the control panel 31 in the key arrangement direction LR (the left and right outer sides of the boss placement portion 37a), the gap between the front edge of the speaker cover 32 and the stepped portion 31d of the control panel 31 is adjusted by fitting the pin 51 into the pin insertion hole 55, which will be described later.

[0041] The positioning of the control panel 31 and the speaker cover 32 in the key arrangement direction LR is determined solely by the third boss configuration portion 37c-1 near the volume knob 313, thereby adjusting the gap between the annular rib 31b3 surrounding the volume knob 313 (described later) and the corresponding recess 32c of the speaker cover 32 to be uniform. In particular, since the speaker cover 32 is provided with fabric 33, unevenness in the gap between the annular rib 31b3 and the recess 32c is easily noticeable. Therefore, the configuration of the speaker cover 32 positioned relative to the control panel 31 in the front-rear direction FB and the key arrangement direction LR by the third boss configuration portion 37c-1 near the volume knob 313 is preferred.

[0042] like Figure 8 and Figure 9 As shown, an arc-shaped annular rib 31b3 is provided on the upper surface of the upper plate connecting part 31b2 on the outer periphery of the volume knob 313. Furthermore, as... Figure 8 and Figure 10 As shown, a rib 31b4 extending in the key arrangement direction LR is provided on the upper surface of the upper plate connecting portion 31b2, near the stepped portion 31d. The rib 31b4 is not provided on the outer periphery of the annular rib 31b3 (see also...). Figure 9 ).

[0043] like Figure 10 As shown, the rib 31b4 can receive the lower Lo surface of the front wall 32e of the speaker cover 32. Since the rib 31b4 is not provided on the outer periphery of the annular rib 31b3, the upper plate connecting portion 31b2 will not bend even when the speaker cover 32 is pressed from above. Therefore, the upper plate connecting portion 31b2 does not press the flange portion 313a of the volume knob 313 (see...). Figure 9 This prevents the volume knob 313 from rotating. Due to the annular rib 31b3, the fabric 33 is less likely to get tangled when the volume knob 313, which is configured in the adjacent overlapping configuration 75 (described later), is rotated.

[0044] like Figure 1 and Figure 2 As shown, a flat speaker cover 32, with a width approximately equal to the width of the control panel 31, is provided on the rear side B of the control panel 31 in the key arrangement direction LR. (As shown...) Figure 2 As shown, the speaker cover 32 has a speaker hole portion 32a, which has a plurality of holes and corresponds to the speakers 13 disposed near both ends of the upper surface of the upper housing 21.

[0045] like Figure 3 and Figure 4 As shown, the speaker aperture 32a has an annular wall 32a1 on its outer periphery. The wall 32a1 has an elongated rectangular shape with rounded corners and a semi-circular end. (As shown...) Figure 4 As shown, a plurality of bosses 35 for connection with the control panel 31 stand upright from the inner surface of the front side F of the speaker cover 32. The bosses 35 are provided with female thread portions and are configured along the key arrangement direction LR corresponding to the boss configuration portion 37.

[0046] Wall 32d is provided on the rear side B and left and right side edges of the speaker cover 32, protruding downwards to the side Lo. Front wall 32e is provided on the edge of the front side F of the speaker cover 32 to connect to the ends of wall 32d on the left and right sides. (Example) Figure 5 As shown, wall 32d has a stepped portion 32d1 inside. Front wall 32e is sufficiently lower in height than wall 32d. On the inner surface of speaker cover 32 (the surface of the lower Lo side), near the inner side of front wall 32e which serves as the edge facing control panel 31, a groove 32f extending linearly in the key arrangement direction LR is provided along the edge (which is front wall 32e) (see also...). Figure 9 and Figure 10 Here, during the manufacturing process of wrapping the fabric 33 around the speaker cover 32, the fabric 33 wrapped around the speaker cover 32 is cut with a cutting blade or the like, and in the higher wall 32d, the fabric can be cut along the edge line of the step portion 32d1 of the wall 32d. In the front wall 32e, which has a lower height, the fabric 33 can be cut by inserting a blade for cutting the fabric 33, such as a cutting blade, into the groove portion 32f.

[0047] The wall 32a1 of the speaker hole 32a, the wall 32d erected on the outer periphery of the speaker cover 32, and the bosses 34 and 35 to which bolts 210 and 220 are screwed are suitably connected to ribs 32b extending in the front-rear direction FB and the key arrangement direction LR and arranged in a grid pattern. Figure 7 As shown, a semi-circular notch 32c is provided on the part of the speaker cover 32 corresponding to the volume knob 313 (annular rib 31b3).

[0048] like Figure 4 As shown, insertion portions 65 are provided near both ends of the inner surface of the speaker cover 32. Figure 5 As shown, the insertion portion 65 is located at the corner of the front side F of the speaker cover 32, corresponding to the wing member 61. The insertion portion 65 has an elongated rectangular box shape that is slender in the key arrangement direction LR, and its front side F is provided with a flat hole portion 65a (also called a first female portion, protrusion insertion hole, or elongated hole) with a rectangular opening that is the long side in the key arrangement direction LR. The insertion portion 65 is connected to the wall 32a1 of the speaker hole portion 32a, and the connection portion is shaped to follow the concave arc shape of the wall 32a1.

[0049] That is, the electronic device according to an embodiment of the present invention includes: an attachment member (top member 30) comprising a first attachment member (control panel 31) having a first male portion (wing member 61) protruding from the outer periphery in a first direction D1, and a second mounting member (speaker cover 32) having a first female portion (flat hole portion 65a) to which the first male portion is fitted; and an attachment member (musical instrument housing 20, upper housing 21) to which the attachment member is attached. The attachment member includes either a second male portion (pin 51) extending in a second direction D2 different from the first direction D1 or a second female portion (pin insertion hole 55) corresponding to the second male portion, and the attachment member includes the other of the second male portion and the second female portion. The first male and first female portions protruding in the first direction D1 suppress bending in the vertical direction. The gap between the first attachment member and the second attachment member is adjusted by inserting the second male portion (pin 51) extending in the second direction D2 into the second female portion (pin insertion hole 55). The first attachment member, the second attachment member and the attached member can be satisfactorily fixed to each other.

[0050] More specifically, the first boss configuration portion 37a of the top member 30 in the key arrangement direction LR is positioned in the key arrangement direction LR and the front-rear direction FB by the shape of the base plate 37-2 in the aforementioned boss configuration portion 37, and is fixed by bolts 220 to also be positioned in the vertical direction UL. On the other hand, at both ends of the top member 30, there is not enough space due to the arrangement of the speaker 13, so the boss configuration portion 37 cannot be provided. However, positioning in the key arrangement direction LR, the front-rear direction FB, and the vertical direction UL is achieved by the wing member 61, the flat hole portion 65a, the pin 51, and the pin insertion hole 55. In this way, even in the space-constrained part, the first attachment member and the second attachment member, as well as the attachment member and the attached member, can be satisfactorily fixed to each other.

[0051] The first male portion includes a wide protruding piece (wing member 61) projecting in the first direction D1, and this protruding piece is longer in the width direction (key arrangement direction LR) than in the thickness direction (plate thickness of wing member 61). The first female portion into which the protruding piece is inserted includes an elongated hole, the length of which in the width direction (width direction of the flat hole portion 65a, key arrangement direction LR) is longer than its length in the thickness direction (height direction of the flat hole portion 65a). Therefore, in the combined state of the plate-shaped first attachment member and the plate-shaped second attachment member, the strength of the first male portion can be ensured even if the first male portion contacts the first female portion in the vertical and horizontal directions.

[0052] Either the first attachment member or the second attachment member includes a boss 35 extending in the second direction D2. The other of the first attachment member and the second attachment member includes a boss placement portion 37. With the first male and first female portions extending in the first direction D1 assembled together, the boss 35 extending in the second direction D2 is fixed at the position of the boss placement portion 37, and then the first attachment member and the second attachment member are attached to the attached member. In the first attachment member and the second attachment member, when the first male and first female portions extending in the first direction D1 are assembled together, the boss 35 extending in the second direction D2 is fixed at the position of the boss placement portion 37; therefore, the first attachment member and the second attachment member are well combined and have the advantage of being difficult to detach.

[0053] Next, a method for manufacturing an electronic device according to an embodiment of the present invention will be described. First, as Figure 11 (a) and Figure 11 As shown in (b), in the first step, the first male portion (wing member 61) protruding from the outer periphery of the first attachment member (control panel 31) in the first direction D1 is fitted into the first female portion (flat hole portion 65a) of the second attachment member (speaker cover 32). Since the volume knob 313 (protrusion) is provided on the first attachment member side and the recess 32c (recess) is provided on the second attachment member side, the first attachment member and the second attachment member can be easily assembled. The boss 35, which is provided closest to the recess 32c, has the function of determining the position of the first attachment member and the second attachment member.

[0054] Next, as Figure 12 (a) and Figure 12 As shown in (b), in the second step, a second male portion (pin 51) provided on either the first or second attachment member and extending in a second direction D2 different from the first direction D1 is fitted into a second female portion (pin insertion hole 55) included in the attached member (upper housing 21) (first embodiment of the second step), or, a second male portion included in the attached member and extending in a second direction different from the first direction is fitted into a second female portion provided on either the first or second attachment member (second embodiment of the second step). Therefore, the attachment member including the first and second attachment members is attached to the attached member, and thus, the individual members can be satisfactorily fixed to each other. Therefore, even with manual assembly, it is possible to manufacture an electronic device in which the gap between the first and second attachment members is satisfactorily adjusted.

[0055] Then, in the second step, when the second male part is assembled into the second female part, the wall sliding portion 70 provided on either the first or second attachment member contacts the wall 21b included in the attachment member. Then, the gap between the first and second attachment members (the gap between the leading edge of the speaker cover 32 and the stepped portion 31d of the control panel 31) is adjusted to be narrower after the wall sliding portion 70 contacts the wall 21b than before (i.e., Figure 12 (as in state (a)). In this embodiment, the first and second attachment members are not fixed at both ends. Therefore, the gap between the first and second attachment members at both ends is larger or smaller in the front-back direction of the button than the gap at other parts. However, by employing such a manufacturing method, it is possible to manufacture an electronic device in which the gap between the first and second attachment members can be satisfactorily adjusted by the wall sliding portion 70. That is, it is possible to provide an electronic device with a good appearance.

[0056] The manufacturing method of the electronic keyboard musical instrument 10, which is an electronic device, is as follows. When the control panel 31 and the speaker cover 32 are combined, as shown... Figure 11 As shown in (a), the wing member 61 is inserted and assembled into the flat hole portion 65a of the insertion portion 65. The wing member 61 is pressed into the flat hole portion 65a by the felt member 62 and the tapered shape. Therefore, the wing member 61 abuts against the flat hole portion 65a in a direction perpendicular to the flat surface. On the other hand, the wing member 61 has a predetermined gap relative to the key arrangement direction LR of the flat hole portion 65a. Therefore, the wing member 61 is positioned in the vertical direction UL of the flat hole portion 65a.

[0057] Here, for reference Figure 7 Enlarged views of parts Q1 and Q3 in the image. Figure 10 When the control panel 31 and speaker cover 32 are combined, the boss 35 is housed in the boss configuration section 37. In this case, the boss 35 configured in the first boss configuration section 37a and the third boss configuration section 37c abuts against the boss 35 in the front-rear direction FB by the lower ends of the limiting walls 37a1 and 37c1 and the U-shaped wall 37-1. In this way, the boss 35 is positioned in the front-rear direction FB. The position of the boss 35 in the key arrangement direction LR is approximately determined by the wall of the U-shaped wall 37-1 in the key arrangement direction LR. The boss 35 corresponding to the third boss configuration section 37c-1 is positioned in the key arrangement direction LR by the base plate 37-2 of the third boss configuration section 37c-1 located near the volume knob 313, and the speaker cover 32 is positioned relative to the control panel 31 in the key arrangement direction LR.

[0058] When the boss 35 is disposed in the boss placement portion 37 (first boss placement portion 37a and third boss placement portion 37c), the tip of the boss 35 is slidably guided on the inclined surface of the rib 37c2, thus the boss is smoothly arranged between the U-shaped wall 37-1 and the limiting walls 37a1 and 37c1. Bolts 220 are screwed into the boss 35 disposed on the boss placement portion 37, and the control panel 31 and the speaker cover 32 are secured.

[0059] When the control panel 31 and the speaker cover 32 are combined, the area near the front side F of the speaker cover 32, including the front wall 32e, is positioned on the upper side Up of the upper plate connecting portion 31b2 of the control panel 31. As described above, the control panel 31 and the speaker cover 32 have an overlapping configuration portion 75 in which one of the control panel 31 and the speaker cover 32 is positioned on the upper side Up and the other is positioned on the lower side. Figure 11 As shown in (b), after the control panel 31 and the speaker cover 32 are assembled, the bolt 220 is screwed into the female thread of the boss 35 via the boss mounting portion 37, and the control panel 31 and the speaker cover 32 are fixed to each other.

[0060] like Figure 12 As shown in (a), the top member 30, including the combined control panel 31 and speaker cover 32, is attached to the upper housing 21 of the instrument housing 20. In this case, the pin 51 is inserted into the pin insertion hole 55. In the pin 51, the leading edge surface 51a1 of the front and rear plates 51a of the pin 51 abuts against the plate thickness surface of the straight portion 55a on the front side F of the pin insertion hole 55. Since the flat surfaces on the front and rear directions FB can abut against each other in this way, it is easier to set the amount of warpage correction of the control panel 31 compared to the engagement of a round pin and a round hole.

[0061] like Figure 12 As shown in (b), the wall 32d on the rear side B of the speaker cover 32 and the wall 21b on the rear side B of the top member attachment 21a face each other. The top member 30 has a wall sliding portion 70 on the surface facing the upper housing 21. Here, the control panel 31 is a member manufactured by injection molding and is elongated in the key arrangement direction LR, and may warp at both ends in the direction toward the front side F and in the direction toward the rear side B approximately at the center. As a result, a gap may appear between the edge (front wall 32e) of the front side F of the speaker cover 32 and the stepped portion 31d near both ends of the control panel 31. However, the warping of the control panel 31 is corrected by inserting the pin 51 into the pin insertion hole 55. When the correction amount is large, the walls 32d and 21b of the wall sliding portion 70 slide at approximately the center in the key arrangement direction LR, and the warping of the control panel 31 is corrected by inserting the pin 51 into the pin insertion hole 55 and correcting the warping.

[0062] That is, when the pin 51 is inserted into the pin insertion hole 55 and the attachment member (top member 30) is attached to the attached member (upper housing 21, instrument housing 20), the wall sliding part 70 of the attachment member contacts the attached member, thereby adjusting the gap between the first attachment member and the second attachment member.

[0063] Then, as Figure 12 As shown in (b), the top member 30 is secured to the upper housing 21 by screwing bolt 210 into the female thread of boss 34. Here, as Figure 2 As shown, multiple bolts 210 on the rear side B pass through corresponding bolt holes 21c on the rear side B of the upper housing 21 and are screwed into the boss 34 on the rear side B of the speaker cover 32 (see...). Figure 3 and Figure 4 The bolt hole portion 21c has a bearing surface 21c1, and the tip of the boss 34 abuts against the bearing surface 21c1. The bearing surface 21c1 of the approximately central bolt hole portion 21c is set to be approximately circular (see [reference]). Figure 2 (Enlarged view of part P2 in the image). On the other hand, bolt hole portion 21c (typically, except for the bolt hole portion 21c at the approximate center) Figure 2 (An enlarged view of part P3 is shown in the image) The length of the top member 30 in the key alignment direction LR is greater than the diameter of the boss 34. Therefore, in the key alignment direction LR, the top member 30 is positioned relative to the upper housing 21 through the bearing surface 21c1 of the bolt hole portion 21c, which is approximately centered. The bolt hole portion 21c is provided in the key alignment direction LR of the top member attachment portion 21a of the upper housing 21, so by using the approximately centered bolt hole portion 21c as the positioning position, the top member 30 can be configured in a well-balanced manner in the upper housing 21. As described above, the pin insertion hole 55 is provided in an elongated hole shape with the key alignment direction LR as the major axis, so the pin 51 escapes in the key alignment direction LR. The length of the bearing surface 21c1 of the bolt hole portion 21c in the front-rear direction FB is slightly larger than the diameter of the boss 35, and they approximately coincide with each other.

[0064] After assembling the top member 30 to the upper housing 21, the upper housing 21 to which the top member 30 is attached is assembled to the lower housing 22 by using bolts threaded into the female thread of the fixing boss 21d that extends from the upper housing 21 to the lower housing 22, on which other components such as the keyboard 11 are assembled, to create a structure as described above. Figure 13 The electronic keyboard instrument 10 shown.

[0065] Because the warping of the control panel 31 is corrected in this way, the gap between the control panel 31 and the speaker cover 32 is made uniform in the key arrangement direction LR, and the upper plate body 31b1 of the control panel 31 and the upper surface of the speaker cover 32 become substantially continuous flat surfaces, thereby enabling the manufacture of an electronic keyboard instrument 10 with a good appearance.

[0066] While embodiments of the invention have been described above, the invention is not limited to these embodiments and can be implemented with various modifications. For example, when configuring the pin 51 and the pin insertion hole 55, the pin insertion hole 55 may be provided in the control panel 31, and the pin 51 may be provided in the upper housing 21. Similarly, the wing member 61 and the flat hole portion 65a may be configured in the opposite manner.

[0067] According to the above embodiments of the present invention, an electronic keyboard musical instrument 10, as an electronic device, includes: a top member 30 as an attachment member, the top member 30 including a control panel 31 as a first attachment member and a speaker cover 32 as a second attachment member, the control panel 31 having a wing member 61 protruding from its outer periphery in a first direction D1 as a first male portion, and the speaker cover 32 having a flat hole portion 65a corresponding to the wing member 61 as a first female portion; and a musical instrument housing 20 (upper housing 21) to which the top member 30 is attached as an attached member. The top member 30 includes either a pin 51 extending in a second direction D2 different from the first direction D1 as a second male portion or a pin insertion hole 55 into which the pin 51 is inserted as a second female portion, and the musical instrument housing 20 (upper housing 21) includes the other of the pin 51 and the pin insertion hole 55.

[0068] Therefore, the top member 30 is precisely positioned relative to the upper housing 21, and the warping of the control panel 31 is corrected so that the gap between the control panel 31 and the speaker cover 32 is appropriate. Thus, the top member 30 can be satisfactorily secured to the instrument housing 20.

[0069] The wing member 61 is a wide protrusion extending in the first direction D1, and its length in the width direction is greater than its length in the thickness direction. The flat hole portion 65a includes an elongated hole into which the wing member 61 is inserted, and the length of the elongated hole in the width direction is greater than its length in the thickness direction. Therefore, the wing member 61 can be easily positioned on the plate-shaped control panel 31 and the speaker cover 32 while ensuring its strength.

[0070] The top member 30 (speaker cover 32) has a wall sliding portion 70 on the outer surface of the wall 32d facing the inner surface of the wall 21b of the upper housing 21. Therefore, the gap between the control panel 31 and the speaker cover 32 can be adjusted, and the pin 51 is inserted into the pin insertion hole 55.

[0071] The control panel 31 and the speaker cover 32 have an overlapping configuration 75 in which one of the control panel 31 and the speaker cover 32 overlaps on the other, and the control panel 31 is provided with a rib 31b4 for receiving the speaker cover 32. Therefore, even if the speaker cover 32 is pressed, the speaker cover 32 can be received by the rib 31b4, thereby reducing the deformation of the speaker cover 32 and the control panel 31.

[0072] Near the front wall 32e (which is the edge portion corresponding to the control panel 31), the speaker cover 32 has a groove 32f provided along the front wall 32e. Therefore, even if the height of the front wall 32e cannot be increased because it is the edge portion facing the control panel 31, the cutting process after the fabric 33 is wrapped can be effectively performed during the manufacturing process.

[0073] The top member 30 and the instrument housing 20 (upper housing 21) are configured in an elongated shape, and the pin 51 and pin insertion hole 55 are located near both ends in the longitudinal direction. Therefore, the warping of the control panel 31 of the elongated top member 30 can be easily corrected, so that the top member 30 can be properly positioned.

[0074] The felt component 62, which is a fabric component, is adhered to the flat surface of the wing component 61. Therefore, even if the electronic device vibrates (for example, when the electronic keyboard instrument 10 is being played), the occurrence of abnormal noise caused by the wing component 61 impacting inside the flat hole 65a can be reduced.

[0075] The electronic keyboard instrument 10, as an electronic device, includes a keyboard 11. Therefore, it is possible to provide an electronic keyboard instrument 10 in which the top member 30 is satisfactorily fixed to the instrument housing 20.

[0076] In the manufacturing method of the electronic keyboard instrument 10 as an electronic device, a wing member 61, which is a first male part, protruding from the outer periphery of the control panel 31, which is a first attachment member, in a first direction D1, is fitted into a flat hole portion 65a, which is a first female part, in the speaker cover 32, which is a second attachment member. A pin 51, which is a second male part, provided on either the control panel 31 or the speaker cover 32 and extending in a second direction D2 different from the first direction D1, is fitted into a pin insertion hole 55, which is a second female part, included in the instrument housing 20, which is an attached member. Therefore, the gap between the control panel 31 and the speaker cover 32 is adjusted, and it is possible to manufacture an electronic keyboard instrument 10 in which the top member 30 is properly attached to the instrument housing 20.

[0077] When pin 51 is fitted into pin insertion hole 55, the wall sliding portion 70 of top member 30 contacts the wall 21b of upper housing 21. Therefore, top member 30 can be attached to upper housing 21 while being properly guided.

[0078] The gap between the control panel 31 and the speaker cover 32 is adjusted to be narrower after the wall sliding portion 70 contacts the wall surface 21b than before it contacts the wall surface 21b. Therefore, even if the control panel 31 is manufactured by injection molding to warp into an arc shape when viewed from above, the gap between the control panel 31 and the speaker cover 32 is uniform from the center to the left and right ends, thereby enabling the manufacture of an electronic keyboard instrument 10 with a good appearance.

[0079] Several embodiments of the invention have been described, which are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be embodied in various other forms and can be subject to various omissions, substitutions, and modifications without departing from the scope of the invention. These embodiments and their modifications are included within the scope and essence of the invention, and are included within the scope of the invention as described in the claims and their equivalents.

[0080] This application is based on Japanese Patent Application No. JP2020-204675A filed on December 10, 2020 and Japanese Patent Application No. JP2021-028395A filed on February 25, 2021, the contents of which are incorporated herein by reference.

[0081] List of reference numerals

[0082] 10 electronic keyboard instruments

[0083] 11-keyboard

[0084] 13 speakers

[0085] 20 Musical Instrument Cases

[0086] 21 Upper shell

[0087] 21a Top component

[0088] 21b wall

[0089] 21c Bolt hole

[0090] 21c1 bearing surface

[0091] 22 Lower shell

[0092] 30 Top Components

[0093] 31 Control Panel

[0094] 31a front panel

[0095] 31a1 rib

[0096] 31b board

[0097] 31b1 upper plate body part

[0098] 31b2 Upper Plate Connection Part

[0099] 31b3 Annular Rib

[0100] 31b4 rib

[0101] 31c side panel

[0102] 31d Step Section

[0103] 31e Arc-shaped part

[0104] 31f Edge wall

[0105] 31f1 edge surface

[0106] 31g Ribs

[0107] 32 Speaker Cover

[0108] 32a Speaker hole

[0109] 32a1 wall

[0110] 32b Rib

[0111] 32c notch

[0112] 32d wall

[0113] 32d1 Step Section

[0114] 32e Anterior wall

[0115] 32f Groove

[0116] 33. Fabrics

[0117] 34. Boss

[0118] 35 convex platform

[0119] 36 Felt components

[0120] 37. Boss Configuration Section

[0121] 37-1 U-shaped wall

[0122] 37-2 base plate

[0123] 37-3 Hole

[0124] 37a First Boss Configuration Section

[0125] 37a1 confinement wall

[0126] 37a2 rib

[0127] 37b Second boss configuration section

[0128] 37c Third Boss Configuration Section

[0129] 37c1 confinement wall

[0130] 37c2 rib

[0131] 51sales

[0132] 51a front and rear plates

[0133] 51a1 edge surface

[0134] 51b left and right plates

[0135] 51b1 edge surface

[0136] 51c base

[0137] 51d tip

[0138] 55 pin insertion hole

[0139] 55a Straight Section

[0140] 55b Arc-shaped part

[0141] 61 Wing Components

[0142] 62 Felt components

[0143] 63 ribs

[0144] 65 Inserted part

[0145] 65a flat hole section

[0146] 70 Sliding part of the wall

[0147] 75 Overlapping Configuration Section

[0148] 210 bolts

[0149] 220 bolts

[0150] 310 Operation Unit

[0151] 311 Power Button

[0152] 312 Operation Buttons

[0153] 313 Flange portion

[0154] 314 LED display units

[0155] 315 substrate

[0156] B rear side

[0157] F front side

[0158] FB forward and backward directions

[0159] L left side

[0160] LR bond arrangement direction

[0161] Lo bottom side

[0162] R right side

[0163] UL up and down direction

[0164] Up (top)

Claims

1. An electronic device, comprising: An attachment member includes a first attachment member and a second attachment member, the first attachment member having a first male portion protruding from the outer periphery of the first attachment member in a first direction, and the second attachment member having a first female portion corresponding to the first male portion; as well as The attached member, wherein the attaching member is attached to the attached member, wherein The attachment member includes either a second male portion extending in a second direction different from the first direction or a second female portion corresponding to the second male portion. The attached member includes another of the second male part and the second female part, and The attachment member is configured to include a wall sliding portion on the surface facing the attached member when the attachment member is attached to the attached member.

2. The electronic device according to claim 1, wherein The first male portion includes a wide protruding piece that protrudes in the first direction and has a length in the width direction greater than its length in the thickness direction. The first female portion includes an elongated hole into which the protruding piece is inserted, and the length of the elongated hole in the width direction is greater than its length in the thickness direction.

3. The electronic device according to claim 1, wherein Both the attaching member and the attached member are configured in an elongated shape. The attachment member has one of the second male portion and the second female portion disposed near both ends in the longitudinal direction, and The attached member has one of the second male portion and the second female portion located near both ends in the longitudinal direction.

4. The electronic device according to claim 1, wherein The fabric component is attached to the flat surface of the first male part.

5. An electronic keyboard musical instrument, comprising: The electronic device according to claim 1; and keyboard.

6. A method for manufacturing an electronic device, comprising: The first male part, which protrudes from the outer periphery of the first attachment member in a first direction, is assembled into the first female part of the second attachment member; as well as A second male portion, which is disposed on either the first attachment member or the second attachment member and extends in a second direction different from the first direction, is fitted into a second female portion included in the attached member; or a second male portion, which is included in the attached member and extends in a second direction different from the first direction, is fitted into a second female portion disposed on either the first attachment member or the second attachment member, wherein... Either the first attachment member or the second attachment member is configured to include a wall-mounted sliding portion on the surface facing the attached member when one of the first attachment member or the second attachment member is attached to the attached member. When the second male part is assembled into the second female part, the wall sliding part contacts the wall included in the attached member.

7. The method for manufacturing an electronic device according to claim 6, wherein... The gap between the first attachment member and the second attachment member is adjusted to be narrower after the wall sliding portion contacts the wall than before the wall sliding portion contacts the wall.

Images